2840-01-390-1862 TANK,LUBRICATING OIL,AIRCRAFT GA Index 5306-01-390-1864 BOLT,MACHINE

National Stock Number:
5310-01-390-1863

Federal Supply Class:
5310

National Item Identification Number:
013901863

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
AN315D-14R88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE NUT
MATERIALALUMINUM ALLOY OVERALL
NOMINAL THREAD SIZE0.875 INCHES
NUT HEIGHT0.656 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.296 INCHES MINIMUM AND 1.315 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH14


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